Owning real estate can be a great way to generate monthly income. You can purchase a single-family home, duplex, or even apartment building.
Airbnb has become huge over the last many years. If you have a free room in your house, you can rent that out. It is an excellent opportunity to make extra money without having much work to put in it.
They are one of the simplest ways to build wealth with your money in the stock market. You can continue to buy these index funds and allow compounding interest to really grow your money.
This is an easy way to create some residual income. You invest in some REITs and reap the profits at the end of each month.
Many people have started blogs and created great avenues of income through these blogs. It takes time and patience, but you can dominate the interweb with your content if you find a good niche.